Re: ACID

From: <Laimutis.Nedzinskas_at_seb.lt>
Date: Wed, 24 Aug 2011 12:37:08 +0300
Message-ID: <OFEAF453F8.D0F227D7-ONC22578F6.0034A47C-C22578F6.0034D6E2_at_seb.lt>



http://en.wikipedia.org/wiki/ACID

There is one property which has very special comments about it:

" Isolation ...
This property of ACID is often relaxed (i.e. partly respected) because of the huge speed decrease this type of concurrency management implies. ...
In reality, many alternatives are used due to speed concerns, but none of them guarantees the same reliability. "

Could not be said better.


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  From:       "Jonathan Lewis" <jonathan_at_jlcomp.demon.co.uk>                                                                                       
                                                                                                                                                   
  To:         "Oracle L" <oracle-l_at_freelists.org>                                                                                                  
                                                                                                                                                   
  Date:       2011.08.23 11:54                                                                                                                     
                                                                                                                                                   
  Subject:    ACID                                                                                                                                 
                                                                                                                                                   






So who knows the meaning of ACID (not the Timothy Leary kind) ?

http://tonyhasler.wordpress.com/2011/08/22/why-is-acid-important/ http://jonathanlewis.wordpress.com/2011/08/19/redo-2/

Regards

Jonathan Lewis
http://jonathanlewis.wordpress.com

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http://www.freelists.org/webpage/oracle-l Received on Wed Aug 24 2011 - 04:37:08 CDT

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